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801cf532e7
While currently the ifp gets cast to a net_device and then returned and consumers are expecting an ifp again, allow parallel usage now and in the future by extending and also passing the ifp directly back in the netdev_notifier_info. Add a function to return the ifp instead of the net_device. Sponsored by: The FreeBSD Foundation MFC after: 10 days Suggested by: hselasky Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D30522
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013-2019 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_NETDEVICE_H_
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#define _LINUX_NETDEVICE_H_
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#include <linux/types.h>
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#include <sys/socket.h>
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#include <net/if_types.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_dl.h>
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#include <linux/net.h>
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#include <linux/notifier.h>
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#ifdef VIMAGE
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#define init_net *vnet0
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#else
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#define init_net *((struct vnet *)0)
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#endif
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#define MAX_ADDR_LEN 20
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#define net_device ifnet
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#define rtnl_lock()
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#define rtnl_unlock()
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/* According to linux::ipoib_main.c. */
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struct netdev_notifier_info {
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struct net_device *dev;
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struct ifnet *ifp;
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};
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static inline struct net_device *
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netdev_notifier_info_to_dev(struct netdev_notifier_info *ni)
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{
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return (ni->dev);
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}
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static inline struct ifnet *
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netdev_notifier_info_to_ifp(struct netdev_notifier_info *ni)
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{
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return (ni->ifp);
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}
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int register_netdevice_notifier(struct notifier_block *);
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int register_inetaddr_notifier(struct notifier_block *);
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int unregister_netdevice_notifier(struct notifier_block *);
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int unregister_inetaddr_notifier(struct notifier_block *);
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#endif /* _LINUX_NETDEVICE_H_ */
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